mysql GROUP_CONCAT 函数 将相同的键的多个单元格合并到一个单元格

mysql GROUP_CONCAT 函数 将相同的键的多个单元格合并到一个单元格

MemberID MemberName FruitName -------------- --------------------- -------------- 1 Al Apple 1 Al Cherry

Desired output

MemberID           MemberName            FruitName
-----------        --------------        ------------
1                  Al                    Apple, Cherry




3down voteaccepted

GROUP BY MemberName and GROUP_CONCAT(FruitName). For example,

SELECT MemberId, MemberName, GROUP_CONCAT(FruitName) FROM a LEFT JOIN b ON a.MemberName = b.MemberName GROUP BY a.MemberName;
posted @ 2017-03-08 09:27  特洛伊-Micro  阅读(1601)  评论(0)    收藏  举报